想像中的未来即使是很小程度的受当前事件的评论左右，那么它都与可靠的预言无缘。
Imagined futures that are really thinly disguised commentaries on current affairs are not chiefly concerned with reliable prediction.
早期涡轮探伤证实，该轨道表现仍处于良好状态，只有很小程度的RCF，因此可以通过HSG解决问题。
Previous eddy current inspections had verified that the surface of the rail was still in a good condition with only very small levels of RCF - which could be removed by HSG.
但扫描也很难发现被选程度很弱的基因，所以它们可能只是偶然获得近期基因组身上压力的很小一部分。
But the scans also find it hard to detect weakly selected genes, so they may be picking up just a small fraction of the recent stresses on the genome.
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